const mysql = require('mysql2/promise');

class ResData {
  constructor(){
    this.code = 0;
    this.msg = 'ok';
    this.count = 0;
    this.data = '';                 
  }
};

let con = '';
(async()=>{
  con = mysql.createPool({
    host:'localhost',
    user:'root',
    password:'ddd',
    database:'gewuyanyi'  
  });
})();

module.exports = {
  con,
  ResData
}

